The sequence of events involved in the evolutionary development of a species or taxonomic group of organisms

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"genesis and evolution of a phylum," 1869, from German Phylogenie , coined 1866 by German biologist Ernst Heinrich Haeckel (1834-1919) from Greek phylon "race" (see phylo- ) + -geneia "origin," from -genes "born" (see genus ). Related: Phylogenic .

Wikipedia Word definitions in Wikipedia
The term phylogeny derives from the Greek terms phyle and phylon , denoting “tribe” and “race”; and the term genetikos , denoting “relative to birth”, from genesis “origin” and “birth”. Phylogenetics is the study of evolutionary relatedness among groups ...

Wiktionary Word definitions in Wiktionary
n. 1 (context systematics English) The evolutionary history of groups of organisms, such as species or clades. 2 (context systematics informal English) A phylogenetic diagram. 3 The historical development of a human social or racial group. 4 The historical ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Phylogenesis \Phy`lo*gen"e*sis\, Phylogeny \Phy*log"e*ny\, n. [Gr. ? tribe + E. genesis, or root of Gr. gi`gnesqai to be born.] The history of genealogical development; the race history of an animal or vegetable type; the historic exolution of the phylon ...

WordNet Word definitions in WordNet
n. (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms [syn: evolution , phylogenesis ]